diff options
Diffstat (limited to 'src/devices/bus/intv/slot.h')
-rw-r--r-- | src/devices/bus/intv/slot.h | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/src/devices/bus/intv/slot.h b/src/devices/bus/intv/slot.h new file mode 100644 index 00000000000..2b5269edb8b --- /dev/null +++ b/src/devices/bus/intv/slot.h @@ -0,0 +1,185 @@ +// license:BSD-3-Clause +// copyright-holders:Fabio Priuli +#ifndef __INTV_SLOT_H +#define __INTV_SLOT_H + +/*************************************************************************** + TYPE DEFINITIONS + ***************************************************************************/ + + +/* PCB */ +enum +{ + INTV_STD = 0, + INTV_RAM, + INTV_GFACT, // has RAM too but at diff offset + INTV_WSMLB, + INTV_VOICE, + INTV_ECS, + INTV_KEYCOMP +}; + + +#define INTV_ROM16_READ(addr) \ + (UINT16) (m_rom[(addr) << 1] | (m_rom[((addr) << 1) + 1] << 8)) + + +// ======================> device_intv_cart_interface + +class device_intv_cart_interface : public device_slot_card_interface +{ +public: + // construction/destruction + device_intv_cart_interface(const machine_config &mconfig, device_t &device); + virtual ~device_intv_cart_interface(); + + // reading and writing + virtual DECLARE_READ16_MEMBER(read_rom04) { return 0xffff; } + virtual DECLARE_READ16_MEMBER(read_rom20) { return 0xffff; } + virtual DECLARE_READ16_MEMBER(read_rom40) { return 0xffff; } + virtual DECLARE_READ16_MEMBER(read_rom48) { return 0xffff; } + virtual DECLARE_READ16_MEMBER(read_rom50) { return 0xffff; } + virtual DECLARE_READ16_MEMBER(read_rom60) { return 0xffff; } + virtual DECLARE_READ16_MEMBER(read_rom70) { return 0xffff; } + virtual DECLARE_READ16_MEMBER(read_rom80) { return 0xffff; } + virtual DECLARE_READ16_MEMBER(read_rom90) { return 0xffff; } + virtual DECLARE_READ16_MEMBER(read_roma0) { return 0xffff; } + virtual DECLARE_READ16_MEMBER(read_romb0) { return 0xffff; } + virtual DECLARE_READ16_MEMBER(read_romc0) { return 0xffff; } + virtual DECLARE_READ16_MEMBER(read_romd0) { return 0xffff; } + virtual DECLARE_READ16_MEMBER(read_rome0) { return 0xffff; } + virtual DECLARE_READ16_MEMBER(read_romf0) { return 0xffff; } + + virtual DECLARE_READ16_MEMBER(read_ram) { return 0xffff; } + virtual DECLARE_WRITE16_MEMBER(write_ram) {} + + // Used by IntelliVoice & ECS + virtual DECLARE_READ16_MEMBER(read_ay) { return 0xffff; } + virtual DECLARE_WRITE16_MEMBER(write_ay) {} + virtual DECLARE_READ16_MEMBER(read_speech) { return 0xffff; } + virtual DECLARE_WRITE16_MEMBER(write_speech) {} + virtual DECLARE_WRITE16_MEMBER(write_d0) {} + virtual DECLARE_WRITE16_MEMBER(write_88) {} + virtual DECLARE_WRITE16_MEMBER(write_rom20) {} + virtual DECLARE_WRITE16_MEMBER(write_rom70) {} + virtual DECLARE_WRITE16_MEMBER(write_rome0) {} + virtual DECLARE_WRITE16_MEMBER(write_romf0) {} + + void rom_alloc(UINT32 size, const char *tag); + void ram_alloc(UINT32 size); + UINT8* get_rom_base() { return m_rom; } + UINT8* get_ram_base() { return &m_ram[0]; } + UINT32 get_rom_size() { return m_rom_size; } + UINT32 get_ram_size() { return m_ram.size(); } + + void save_ram() { device().save_item(NAME(m_ram)); } + virtual void late_subslot_setup() {} + +protected: + // internal state + UINT8 *m_rom; + UINT32 m_rom_size; + dynamic_buffer m_ram; +}; + + +// ======================> intv_cart_slot_device + +class intv_cart_slot_device : public device_t, + public device_image_interface, + public device_slot_interface +{ +public: + // construction/destruction + intv_cart_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + virtual ~intv_cart_slot_device(); + + // device-level overrides + virtual void device_start(); + virtual void device_config_complete(); + + // image-level overrides + virtual bool call_load(); + virtual void call_unload() {} + virtual bool call_softlist_load(software_list_device &swlist, const char *swname, const rom_entry *start_entry); + + int get_type() { return m_type; } + int load_fullpath(); + + void save_ram() { if (m_cart && m_cart->get_ram_size()) m_cart->save_ram(); } + + virtual iodevice_t image_type() const { return IO_CARTSLOT; } + virtual bool is_readable() const { return 1; } + virtual bool is_writeable() const { return 0; } + virtual bool is_creatable() const { return 0; } + virtual bool must_be_loaded() const { return 0; } + virtual bool is_reset_on_load() const { return 1; } + virtual const option_guide *create_option_guide() const { return NULL; } + virtual const char *image_interface() const { return "intv_cart"; } + virtual const char *file_extensions() const { return "bin,int,rom,itv"; } + + // slot interface overrides + virtual void get_default_card_software(std::string &result); + + // reading and writing + virtual DECLARE_READ16_MEMBER(read_rom04) { if (m_cart) return m_cart->read_rom04(space, offset, mem_mask); else return 0xffff; } + virtual DECLARE_READ16_MEMBER(read_rom20) { if (m_cart) return m_cart->read_rom20(space, offset, mem_mask); else return 0xffff; } + virtual DECLARE_READ16_MEMBER(read_rom40) { if (m_cart) return m_cart->read_rom40(space, offset, mem_mask); else return 0xffff; } + virtual DECLARE_READ16_MEMBER(read_rom48) { if (m_cart) return m_cart->read_rom48(space, offset, mem_mask); else return 0xffff; } + virtual DECLARE_READ16_MEMBER(read_rom50) { if (m_cart) return m_cart->read_rom50(space, offset, mem_mask); else return 0xffff; } + virtual DECLARE_READ16_MEMBER(read_rom60) { if (m_cart) return m_cart->read_rom60(space, offset, mem_mask); else return 0xffff; } + virtual DECLARE_READ16_MEMBER(read_rom70) { if (m_cart) return m_cart->read_rom70(space, offset, mem_mask); else return 0xffff; } + virtual DECLARE_READ16_MEMBER(read_rom80) { if (m_cart) return m_cart->read_rom80(space, offset, mem_mask); else return 0xffff; } + virtual DECLARE_READ16_MEMBER(read_rom90) { if (m_cart) return m_cart->read_rom90(space, offset, mem_mask); else return 0xffff; } + virtual DECLARE_READ16_MEMBER(read_roma0) { if (m_cart) return m_cart->read_roma0(space, offset, mem_mask); else return 0xffff; } + virtual DECLARE_READ16_MEMBER(read_romb0) { if (m_cart) return m_cart->read_romb0(space, offset, mem_mask); else return 0xffff; } + virtual DECLARE_READ16_MEMBER(read_romc0) { if (m_cart) return m_cart->read_romc0(space, offset, mem_mask); else return 0xffff; } + virtual DECLARE_READ16_MEMBER(read_romd0) { if (m_cart) return m_cart->read_romd0(space, offset, mem_mask); else return 0xffff; } + virtual DECLARE_READ16_MEMBER(read_rome0) { if (m_cart) return m_cart->read_rome0(space, offset, mem_mask); else return 0xffff; } + virtual DECLARE_READ16_MEMBER(read_romf0) { if (m_cart) return m_cart->read_romf0(space, offset, mem_mask); else return 0xffff; } + + virtual DECLARE_READ16_MEMBER(read_ay); + virtual DECLARE_WRITE16_MEMBER(write_ay); + virtual DECLARE_READ16_MEMBER(read_speech); + virtual DECLARE_WRITE16_MEMBER(write_speech); + virtual DECLARE_READ16_MEMBER(read_ram) { if (m_cart) return m_cart->read_ram(space, offset, mem_mask); else return 0xffff; } + virtual DECLARE_WRITE16_MEMBER(write_ram) { if (m_cart) m_cart->write_ram(space, offset, data, mem_mask); } + + virtual void late_subslot_setup() { if (m_cart) return m_cart->late_subslot_setup(); } + + // these RAM accessors are needed to deal with IntelliVoice and ECS mounting RAM-equipped carts + virtual DECLARE_WRITE16_MEMBER(write_d0) { if (m_cart) m_cart->write_d0(space, offset, data, mem_mask); } + virtual DECLARE_WRITE16_MEMBER(write_88) { if (m_cart) m_cart->write_88(space, offset, data, mem_mask); } + + // ECS paged roms need these + virtual DECLARE_WRITE16_MEMBER(write_rom20) { if (m_cart) m_cart->write_rom20(space, offset, data, mem_mask); } + virtual DECLARE_WRITE16_MEMBER(write_rom70) { if (m_cart) m_cart->write_rom70(space, offset, data, mem_mask); } + virtual DECLARE_WRITE16_MEMBER(write_rome0) { if (m_cart) m_cart->write_rome0(space, offset, data, mem_mask); } + virtual DECLARE_WRITE16_MEMBER(write_romf0) { if (m_cart) m_cart->write_romf0(space, offset, data, mem_mask); } + +//protected: + + int m_type; + device_intv_cart_interface* m_cart; +}; + + + +// device type definition +extern const device_type INTV_CART_SLOT; + + +/*************************************************************************** + DEVICE CONFIGURATION MACROS + ***************************************************************************/ + +#define INTVSLOT_ROM_REGION_TAG ":cart:rom" + +#define MCFG_INTV_CARTRIDGE_ADD(_tag,_slot_intf,_def_slot) \ + MCFG_DEVICE_ADD(_tag, INTV_CART_SLOT, 0) \ + MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _def_slot, false) + +SLOT_INTERFACE_EXTERN(intv_cart); + +#endif |